Long-Term Debt Leverage Ratios (Details) (Revolving Credit Facility [Member], Line of Credit [Member], Credit Agreement [Member])	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2014 December 31, 2014 and thereafter
Debt Instrument [Line Items]
Maximum levarage ratio	4.00	4.50	4.75	3.50